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April 24, 2014

Homework Help: chemistry

Posted by Kara on Monday, October 3, 2011 at 12:33pm.

Potassium cyanide (KCN) reacts with acids to produce the poisonous hydrogen cyanide gas, HCN, according to the reaction below:
KCN(aq) + HCl(aq) = HCN(g) + KCl(aq)
If a sample of 0.653 g of KCN is placed in an excess of HCl, how much HCN, in grams, is produced?

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